Home / 20,862.32-28,803.14-14,486.87

Finding the Fourth Proportional to 20,862.32, 28,803.14 and 14,486.87

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Solution

The fourth proportional to 20,862.32, 28,803.14 and 14,486.87 is: 20,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862.32 : 28,803.14 = 14,486.87 : x
  2. Step 2: Convert to fraction form
    20,862.32/28,803.14 = 14,486.87/x
  3. Step 3: Cross multiply
    20,862.32x = 28,803.14 × 14,486.87
  4. Step 4: Simplify right side
    20,862.32x = 417,267,344.77
  5. Step 5: Solve for x
    x = 417,267,344.77/20,862.32
  6. Step 6: Final answer
    x = 20,001.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.